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ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations

Green Car Congress

Researchers at Oak Ridge National Laboratory (ORNL) have quantified the fuel economy effects of some common driver practices and vehicle accessories or alterations—including underinflated tires, open windows, and rooftop and hitch-mounted cargo. The compact sedan, a 2009 Toyota Corolla with a 1.8-liter l/100 km).

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ORNL study finds multi-mode RCCI can offer 15%+ fuel economy improvements across multiple light-duty driving cycles

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Drive cycle fuel economy for PFI, CDC, and multi-mode RCCI operation. Among their findings were that multi-mode RCCI has the potential to offer greater than 15% fuel economy improvement over a 2009 gasoline PFI baseline over many light-duty driving cycles, despite the lack of complete drive cycle coverage for RCCI mode.

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FCA US upgrades 3.6L Pentastar V-6; 2-step VVL, cooled EGR; up to 6% better fuel economy

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Pentastar, first introduced in 2009 ( earlier post ), was the first of an all-new line of V-6 engines intended to improve fuel efficiency across the Chrysler, Jeep and Dodge lineup. Depending on the application, the redesigned V-6 delivers fuel-economy improvements of more than 6% while increasing torque more than 14.9%.

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ADEPT project to apply gasoline engine HyBoost system to diesel; 48V architecture; full hybrid fuel economy at much lower cost

Green Car Congress

The project aims to deliver full hybrid equivalent fuel economy and performance with less than 70 g/km CO 2 emissions as measured over the European Drive Cycle, but at a significantly lower cost. version of its vehicle (a 2009 Ford Focus) but with fuel economy and CO 2 emissions approaching those of a Prius.

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Eaton contributing several components to DOE SuperTruck II program

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SuperTruck II is a partnership between the DOE, truck manufacturers and equipment suppliers seeking to improve freight efficiency to more than 100% over an equivalent 2009 model, and to improve engine brake thermal efficiency performance to 55% or greater.

Eaton 199
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Honda includes stop-start system in new 2016 Honda Pilot for improved fuel economy, new 9-speed

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For improved fuel efficiency, the 2016 Pilot will also include a stop start feature—Honda’s first non-hybrid application of this technology. Honda VCM deactivates the cylinder by using its VTEC (Variable Valve Timing and Lift Electronic Control) technology to keep the intake and exhaust valves in the closed position to halt fuel supply.

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2011 Highlander Hybrid Equipped with Larger Engine, Improved Fuel Economy

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liter V6, while also improving fuel economy. The 2011 Highlander Hybrid receives EPA estimated fuel economy ratings of 28 mpg city and 28 mpg highway (8.4 The 2010 Highlander Hybrid carries an EPA fuel economy rating of 27 mpg city, 25 mpg highway. liter V6 for 2011, replacing the previous 3.3-liter